Author: Sijp, J.W.Ch.M. van der, 1951.:
Title: Petrography and geology of Montseny-Guilleras (N.E. Spain).
Description: Utrecht 1951. 8vo, 24cm. Pp. iv,99, 4 fold. plates of diagrams, 34 photos on 8 plates, 7 fold. maps, 15 figs., bibliogr. Paperbound, orig. printed wrappers. Title-page stamped, good otherwise. - Doctoral thesis.

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